from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to a substance that has an effect on living tissue: bioactive compounds.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or pertaining to bioactivity
  • adj. Having a biological effect

from the GNU version of the Collaborative International Dictionary of English

  • adj. acting upon or influencing bodily functions; -- of chemical substances.


from Wiktionary, Creative Commons Attribution/Share-Alike License

From biologically + active


  • Phytochemicals (plant chemicals) are defined as bioactive non-nutrient plant compounds in fruits, vegetables, grains, and other plant foods that have been linked to reducing the risk of major chronic diseases including cancer.

    Nalini Chilkov: Avocados: A Super Cancer Fighting Food

  • I also remember an old discussion on exorphins, defined as bioactive peptides resulting from incomplete protein digestion.

    Eades/Cordain Tahoe picnic | The Blog of Michael R. Eades, M.D.

  • A patient's own cells, or in some cases, cells from another adult, are used in conjunction with special drugs called bioactive factors, or with advanced biomaterials that serve as scaffold for growth of new tissues. Pro-Life Headlines

  • Many of these people take over-the-counter anti-inflammatory medications that block production of certain molecules, known as bioactive lipids, to reduce pain and swelling.

    Kansas City infoZine Headlines

  • But because adult skin can be particularly susceptible to the irritating effects of their active ingredients (like benzoyl peroxide and salicylic acid), many look for acne systems with added fundamental built-in skincare components, such as bioactive botanicals and nutrients.

  • Mr. Harhen is an honors biochemistry graduate from NUI Galway with a special interest in facilitating ultra-trace quantitation of biomolecules in complex matrices, such as bioactive lipid signalling molecules.

    Nano Tech Wire

  • 'bioactive' foods, which go beyond mere calories and nutrients, to actually interact with our bodies in beneficial ways. Main RSS Feed

  • Though it is impossible to know with absolute certainty precisely what causes a cancer, Ray spent much of his early career in the old-fashioned carpet industry ... one which used and still uses bioactive, petroleum-based chemicals to manufacture the carpets.

    Paula Gordon: A True Radical, a Great Man

  • Some of these agents may activate stem cells and affect healing directly through actions on bioactive substances like cytokines.

    Dr. Richard Palmquist: Veterinarians Team With Mother Nature for Better Results

  • Interestingly, these higher levels of bioavailable (or bioactive) testosterone after menopause are not due to an increase in testosterone production but rather due to a decrease in sex-hormone binding-globulin (SHGB), possibly resulting from the menopausal decline in estrogen levels (a powerful stimulator of SHBG).

    How Menopause Turns Women Into SWANs | Dr. Sharma's Obesity Notes


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